CVE-2020-12242 Command injection in n/a
Local attackers can escalate privileges by writing to a temporary file that is later executed with higher user permissions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-12242?
CVE-2020-12242 is a high-severity command injection vulnerability in n/a, published on 27 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Valve Source allows local users to gain privileges by writing to the /tmp/hl2_relaunch file, which is later executed in the context of a different user account.
Weakness: CWE-78
Which versions are affected by CVE-2020-12242?
It affects 1 product.
Products include Valvesoftware Source.
How do I fix CVE-2020-12242?
No fix has been published for CVE-2020-12242 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2020-12242 being exploited?
There is no known exploitation of CVE-2020-12242 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-wmwr-9cj7-xrgf.